AR-15 600 yards Iron sights

Wind 12-17mph 600 yards unsupported AR-15 Iron sights Match barrel Ammo:MK262 Mod 1 National Match Long Range Shooting This was a short clip of me shooting in a match. I was shooting with guys that was using scopes and alot of 308 and 300 WIN WITH 20X SCOPES. A few of us went at it with irons just to have some fun!!!!